The nature guide to the Andalusian Sierras : from Malaga to Gibraltar, Spain / [initiative and research: Dirk Hilbers ; text: Dirk Hilbers, John Cantelo ; ed.: Dorri te Boekhorst ... et al. ; ill.: Horst Wolter]The nature guide to the Hortobágy and Tisza river floodplain Hungary / [initiative, text and research: Dirk Hilbers ; additional text: Maartje Bakker ... et al. ; ed.: John Cantelo ... et al. ; ill.: Horst Wolter]The nature guide to the Cévennes and Grands Causses, France / [initiative, text and research: Dirk Hilbers, Paul Knapp ; additional text: Suzie Coulton ... et al. ; ed.: John Cantelo ... et al. ; ill. and maps: Horst Wolter]Finnish Lapland : including Kuusamo / [initiative, text and research: Dirk Hilbers ; additional text: Kim Lotterman ... et al. ; ed.: John Cantelo ... et al. ; ill.: Horst Wolter ; maps: Dirk Hilbers ... et al.]Loire Valley : Loire, Brenne and Sologne / [text and research: Dirk Hilbers, Tony Williams ; additional research and information: Alain Beignet ... et al. ; ed.: John Cantelo ... et al. ; ill.: Horst Wolter ; maps: Dirk Hilbers ... et al.]Extremadura : Spain / [initiative, text and research: Dirk Hilbers ; additional research and information: Kim Lotterman ... et al. ; ed.: John Cantelo ... et al. ; ill.: Chris Braat ... et al. ; maps: Dirk Hilbers ... et al.]Spanish Pyrenees and steppes of Huesca - Spain / [initiative, text and research: Dirk Hilbers, Kees Woutersen ; additional research, text and information: John Cantelo ... et al. ; ed.: John Cantelo ... et al. ; ill.: Cees Braat ; maps: Dirk Hilbers ... et al.]North-east Poland : Biebrza, Białowieża and Wigry / initiative, text and research: Dirk Hilbers, Bouke ten Cate ; additional research, text and information: Kim Lotterman, Albert Vliegenthart, Gino Smeulders, Lars Lachmann ; editing: John Cantelo, Brian Clews, Jack Folkers, Cees Hilbers, Riet Hilbers, Kim Lotterman ; illustrations: Horst Wolter ; maps: Dirk Hilbers, Bouke ten Cate, Alex Tabak, Horst WolterEastern Rhodopes : Nestos, Evros and Dadia, Bulgaria and Greece / [initiative, text and research: Dirk Hilbers, Alex Tabak, Albert Vliegenthart, Herman Dierickx ; additional research: Kim Lotterman, Gino Smeulders, Bouke ten Cate, Anneke Arts ; editing: John Cantelo, Brian Clews, Cees Hilbers, Riet Hilbers, Kim Lotterman, Albert Vliegenthart ; illustrations: Chris Braat, Alex Tabak, Horst Wolter ; maps: Dirk Hilbers, Alex Tabak, Albert Vliegenthart, Horst WolterIceland / Initiative text and research: Dirk Hilbers ; additional research, text and information: Kim Lotterman ; editing: John Cantelo, Brian Clews, Cees Hilbers, Riet Hilbers, Kim Lotterman, Gino Smeulders ; Illustrations: Alex Tabak ; Maps: Dirk HilbersCanary Islands / Crossbill Guides FoundationCanary Islands / Crossbill Guides FoundationSpanish Pyrenees and steppes of Huesca - Spain / initiative, text and research: Dirk Hilbers, Kees Woutersen ; additional research, text and information: John Cantelo, Kim Lotterman, Albert Vliegenthart ; editing: John Cantelo, Brian Clews, Jack Folkers, Cees Hilbers, Riet Hilbers, Kim Lotterman, Albert Vliegenthart ; illustrations: Chris Braat ; maps: Dirk Hilbers, Horst WolterLesbos : Greece / initiative, text and research: Alex Tabak ; additional research, text and information: Dirk Hilbers ; editing: John Cantelo, Dirk Hilbers, Brian Clews, Cees Hilbers, Riet Hilbers, Kim Lotterman ; illustrations: Alex Tabak ; maps: Alex TabakWestern Andalucía : Huelva to Málaga - Spain / initiative, text and research: Dirk Hilbers ; additional research, text and information: John Cantelo, Luc Hoogenstein, Kim Lotterman, Albert Vliegenthart ; editing: John Cantelo, Brian Clews, Cees Hilbers, Riet Hilbers, Kim Lotterman ; illustrations: Horst Wolter ; maps: Dirk HilbersEastern Andalucía : Córdoba to Cabo de Gata - Spain / initiative, text and research: Albert Vliegenthart, Bouke ten Cate, Dirk Hilbers, Kees Woutersen ; additional research, text and information: John Cantelo, Kim Lotterman, Antoon De Rycke ; editing: John Cantelo, Brian Clews, Cees Hilbers, Riet Hilbers, Kim Lotterman ; illustrations: Horst Wolter ; maps: Alex TabakFinnish Lapland : including Kuusamo / Initiative, text and research: Dirk Hilbers ; additinal text: Kim Lotterman ; editing: John Cantelo ; illustrations Horst WolterExtremadura : Spain / initative, text and research: Dirk Hilbers ; additional research and information: Henk Zweers, Godfried Schreur, Kim Lotterman, Constant Swinkels, Gino Smeulders, Gisela Radant Wood ; editing: John Cantelo, Brian Clews, Jack Folkers, Kim Lotterman, Albert Vliegenthart